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Articles by A.A. Adelusi
Total Records ( 7 ) for A.A. Adelusi
  A.A. Adelusi and O.A. Akamo
  Kersting`s groundbean (Macrotyloma geocarpa (Harms) Marechal and Baudet), a grain legume was subjected to different nitrogen levels and spurge weed (Euphorbia heterophylla L.) competition to study the combined effects of these factors on its growth. Weed competition was achieved by growing Kersting`s groundbean with spurge weed, while fertilizer stress was imposed by planting Kersting`s groundbean without fertilizer treatments. There was another treatment, which was a combination of the two stresses. Fertilizer application of the crops was achieved by broadcasting NPK fertilizers at 0, 15 and 30 kg N ha-1 in the Kersting`s groundbean seedlings plots. The results showed that 15 kg N ha-1 was adequate for good yield. In the present investigation, the level of nitrogen in fertilizer at a lower dose of 15 kg N ha-1 improved growth and yield overt and above those of double dose of 30 kg N ha-1 and the zero fertilizer application. Analysis of yield showed that the crop became more competitive than the weed from the beginning to the end of the experiment in all treatments. Relative yield of the mixture was greater than 1.0 indicating that the yield of the mixed culture was greater than the mean of the two monocultures.
  O.J. Ilori , O.O. Otusanya , A.A. Adelusi and R.O. Sanni
  Helianthus annus, Chromolaena odorata and Tithonia diversifolia are weeds in the family Asteraceae. The present study was aimed to investigate the phytotoxic activities of these weeds on the seed germination and seedling growth of Vigna unguiculata. The seeds of the test crop were sown in petri dishes lined with filter paper moistened with the different aqueous extract prepared from the weeds while control received distilled water. The results showed that the germination and seedling growth of Vigna unguiculata were inhibited by the application of fresh leaf extract of Chromoleana odorata. All the different extracts inhibited the root length of the test plant. It was suggested that these weeds be controlled in the field where they grow in association with cultivated crops.
  A.A. Adelusi , O.A. Akamo and A.M. Makinde
  Kersting`s groundbean (Macrotyloma geocarpa (Harms) Marechal and Baudet), a grain legume was subjected to different nitrogen levels and spurge weed (Euphorbia heterophylla Linn.) competition to study the combined effects of these factors on its growth. Weed competition was achieved by growing Kersting`s groundbean with spurge weed, while fertilizer stress was imposed by planting Kersting`s groundbean without fertilizer treatments. There was another treatment, which was a combination of the two stresses. Fertilizer application of the crops was achieved by broadcasting NPK fertilizers at 0, 15 and 30 kg N ha-1 in the Kersting`s groundbean seedlings plots. The biochemical composition of the plants such as photosynthetic pigment accumulation, nitrogen, ash, crude fibre, fats, carbohydrates and lignin contents did not show a regular pattern at successive harvest times.
  A.A. Adelusi , O.A. Akamo and A.M. Makinde
  Macrotyloma geocarpa (Harms) Marechal and Baudet (Kersting`s groundbean), a grain legume was subjected to different nitrogen levels and spurge weed (Euphorbia heterophylla Linn) competition to study the combined effects of these factors on its growth. Weed competition was achieved by growing Kersting`s groundbean with spurge weed, while fertilizer stress was imposed by planting Kersting`s groundbean without fertilizer treatments. There was another treatment, which was a combination of the two stresses. Fertilizer application of the crops was achieved by broadcasting NPK fertilizers at 0, 15 and 30 kg N ha-1 in the Kersting`s groundbean seedlings plots. Plants grown under nitrogen fertilizer did better in terms of above ground biomass, root length, shoot height, Leaf Weight Ratio (LWR) and seed yield. These increased at successive intervals. Leaf Area (LA), Leaf Area Ratio (LAR), Specific Leaf Area (SLA), Leaf Area Duration (LAD), Relative Growth Rate (RGR), Leaf Area Index (LAI), Net Assimilation Rate (NAR) did not show a regular pattern at successive harvest times during the investigation.
  A.A. Adelusi , G.T. Odufeko and A.M. Makinde
  Soybean was subjected to weed stress employing Euphorbia heterophylla. The number of leaflets, pods, flowers, length of pods, plant height, leaf area, hundred seed weight, harvest index and number of pods and seeds were determined. There was no significant difference at p>0.05 in number of leaflets, flowers and plant height. Length of pods showed significant difference at p>0.05 among period but showed no significant difference among regimes. The critical weed free period fell between 28 and 38 days in this study. This period witnessed increase in the number of leaflets, number of flowers, number of pods, length of pods and plant height. After the critical period soybean suppressed the weed due to increase in crop height, leaf area and deeper and much branched root system. Soybean in monoculture regime reached physiological maturity earlier than plants in the mixed culture. Reproductive yield of soybean was better in the mixed culture.
  A.A. Adelusi and Joanne D. Aileme
  Cowpea, variety Ife Brown was exposed to light and nutrient to study some growth parameters. The coefficient of variation showed that shoot height varied depending on light levels but independent of nutrient levels. Dry weight, leaf and stem biomass were dependent on light rather than nutrient. The root biomass was however found to depend largely on the light levels. There was not much variation in the number of leaflet formed in each treatment.
  A.A. Adelusi , A.M. Makinde and A.E. Folorunso
  Morphological features and nutritional composition were investigated in Abelmoschus esculentus (L.) Moench and A. moschatus (Moench). The seedlings, raised naturally on the field in sandy loam soil were analysed for height, length of petiole, length and breadth of leaves, number of leaves per plant, number of buds and the fruits produced. Proximate analysis was also carried out to determine the chemical composition of the leaves as well as the fruits. The two okra species share similar attributes. Number of buds were positively correlated with fruit yield in A. esculentus. The basal portions of the fruit of both species are rich in carbohydrates and fibers. The leaves are rich in fats and crude protein.
 
 
 
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